Built for heavy-duty power distribution, the Siemens HHFXD63B200 is a 200A, 3-pole molded case circuit breaker. It utilizes a non-interchangeable thermal-magnetic trip mechanism to provide dependable overload and short-circuit defense. Designed for bolt-on installation, this FD frame unit fits seamlessly into Siemens P2, P3, P4, and P5 panelboards. The breaker is shipped without lugs, requiring separate terminal kits. It features an extra high 100 kAIC rating at 480VAC.
Extra High Interrupting Capacity, HACR Rated, Non-Interchangeable Trip
Product FAQs
6 answers
What panelboards are compatible with the HHFXD63B200?
This FD frame breaker installs in Siemens P2, P3, P4, and P5 panelboards, as well as Siemens switchboards. When mounting in P2 or P3 panels, a separate branch breaker mounting strap kit is required.
What wire sizes are accepted by the standard lugs on this 200A breaker?
The standard TA1FD350A lugs accept 6 AWG to 350 kcmil copper wire, or 4 AWG to 350 kcmil aluminum wire.
How do you adjust the trip settings on the HHFXD63B200?
This breaker features a fixed thermal setting for long-time overload protection and an adjustable magnetic setting for instantaneous short-circuit protection. The magnetic trip threshold is adjusted using the dial located on the face of the trip unit.
What is the difference between the FXD63B200, HFXD63B200, and HHFXD63B200?
These breakers share the same physical FD frame but have different interrupting capacities. The HHFXD63B200 offers the highest rating at 100kA at 480VAC. The HFXD63B200 is rated for 65kA at 480VAC, and the standard FXD63B200 is rated for 35kA at 480VAC.
Is the HHFXD63B200 suitable for reverse feed applications?
Yes, Siemens FD frame thermal-magnetic molded case circuit breakers are suitable for reverse feeding.
Can the trip unit on the HHFXD63B200 be swapped for a different amperage?
No, this specific model features a non-interchangeable trip unit. The thermal-magnetic trip mechanism is factory sealed and cannot be replaced or swapped in the field.
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Review summary
Customers rate this product 5.0 out of 5 based on 1 review.